Mauna Loa, the world's largest active volcano—standing at more than 13,000 feet above sea level—had not erupted since 1984.

Fast forward to 2025, and there have been only three eruptions of Mauna Loa in the past 75 years since 1950: 1975, 1984, and ...

Map released by the USGS to show progress of Mauna Loa's eruption in the first 24 hours. The red arrow shows where lava is currently flowing. USGS/Facebook ...

For the northeast region of Mauna Loa, this updated map supersedes the “Geologic Map of the Island of Hawai‘i” (1996) and the “Geologic Map of the State of Hawaii” (2007).

In late November, the Mauna Loa volcano in Hawaii erupted for the first time since 1984 and is currently in an active volcanic eruption. Scientists are using satellites and helicopters to record and ...

Phoenix: Mauna Loa has a really long and storied eruptive history, and it’s been at this game for a million years, give or take. It’s erupted more than 30 times since just the 1840s.

HILO The recently published Geologic map of the central-southeast flank of Mauna Loa volcano is the culmination of years of field work by the U.S. Geological Survey. This updated map supersedes ...

HONOLULU (KHON2) — Mauna Loa continues to spew lava from two fissures, named fissure 3 and fissure 4, with the flow traveling northeast. Fissure 3 is now the longest flowing since fissures 1 and ...

Mauna Loa, rising 13,679 feet (4,169 meters) above sea level, is the much larger neighbor of Kilauea, which erupted in a residential neighborhood and destroyed 700 homes in 2018.

The origin is much deeper in Earth's mantle, perhaps more than 620 miles (1,000 km) deep.Some scientists even postulate that the magma comes from a depth of 1,800 miles (2,900 km), where the ...

The Northeast Rift Zone eruption of Mauna Loa continues. The fissure vent continues to erupt with a reduced supply of lava and reduced gas emissions on Dec. 9. You can find daily updates on the U ...

The Northeast Rift Zone eruption of Mauna Loa continues. The fissure vent continues to erupt with a reduced supply of lava and reduced gas emissions on Dec. 9. You can find daily updates on the U ...